Japanese National Railways
Patent Applications and Registrations
Patent applications and USPTO patent grants for Japanese National Railways.The latest application filed is for "credit settlement and ticketing terminal system".
Company Profile
0.49.0
- Japanese National Railways - Tokyo JP
- Japanese National Railways - all of JP
- Japanese National Railways - JP JP
- Japanese National Railways - BOTH OF JA
- Japanese National Railways - JA JA
- Japanese National Railways - N/A
Patent Activity
| Patent | Date |
|---|---|
| Credit settlement and ticketing terminal system Grant 4,794,530 - Yukiura , et al. December 27, 1 | 1988-12-27 |
| Friction brakes Grant 4,760,900 - Shima , et al. August 2, 1 | 1988-08-02 |
| System for detecting flat portion of peripheral surface of vehicle wheel Grant 4,696,446 - Mochizuki , et al. September 29, 1 | 1987-09-29 |
| Tendon for prestressed concrete Grant 4,648,224 - Kitta , et al. March 10, 1 | 1987-03-10 |
| Method of field welding head-hardened rails Grant 4,556,164 - Oishibashi , et al. December 3, 1 | 1985-12-03 |
| Feeder voltage compensating apparatus for electric railway Grant 4,468,572 - Miura , et al. August 28, 1 | 1984-08-28 |
| Noise control apparatus Grant 4,436,179 - Yamamoto , et al. March 13, 1 | 1984-03-13 |
| Device for sealing a propeller shaft against invasion of sea water Grant 4,436,313 - Tamama , et al. March 13, 1 | 1984-03-13 |
| Punching-shearing method for inspecting quality of butt welded joint Grant 4,416,158 - Takimoto , et al. November 22, 1 | 1983-11-22 |
| Control system for a linear synchronous motor Grant 4,381,478 - Saijo , et al. April 26, 1 | 1983-04-26 |
| Connecting device for conduits Grant 4,335,747 - Mitsumoto , et al. June 22, 1 | 1982-06-22 |
| Automatic message announcement system Grant 4,307,859 - Hayashi , et al. December 29, 1 | 1981-12-29 |
| Levitation and guide mechanism for curved track in inductive repulsion type vehicle magnetic levitation and guide system Grant 4,299,173 - Arima , et al. November 10, 1 | 1981-11-10 |
| Automatic message announcement system Grant 4,276,572 - Hayashi , et al. June 30, 1 | 1981-06-30 |
| Vehicle vibration damping method in the induced repulsion type magnetically suspended railway vehicle Grant 4,273,054 - Yamashita , et al. June 16, 1 | 1981-06-16 |
| Method and apparatus for optical method of measuring rail displacement Grant 4,181,430 - Shirota , et al. January 1, 1 | 1980-01-01 |
| Track displacement detecting and measuring system Grant 4,173,073 - Fukazawa , et al. November 6, 1 | 1979-11-06 |
| Process for excavating and constructing tunnel and excavating device Grant 4,166,509 - Ueno , et al. September 4, 1 | 1979-09-04 |
| Filter Grant 4,146,481 - Nagatoshi , et al. March 27, 1 | 1979-03-27 |
| Spreader positioning apparatus for automatically grasping a handling article Grant 4,139,107 - Ninomiya , et al. February 13, 1 | 1979-02-13 |
| AC type line concentrator Grant 4,112,260 - Kurokawa , et al. September 5, 1 | 1978-09-05 |
| Current collector shoe suspension for externally powered electric vehicle Grant 4,108,288 - Manabe , et al. August 22, 1 | 1978-08-22 |
| Quick hardening cement-asphalt composition Grant 4,084,981 - Higuchi , et al. April 18, 1 | 1978-04-18 |
| Super rapid hardening mixture Grant 4,060,425 - Harada , et al. November 29, 1 | 1977-11-29 |
| Heat insulating particles Grant 4,039,297 - Takenaka August 2, 1 | 1977-08-02 |
| Set of current collecting elements used for a current collecting roller Grant 4,031,990 - Matsui , et al. June 28, 1 | 1977-06-28 |
| Remote railway container locking system Grant 4,013,017 - Toyota , et al. March 22, 1 | 1977-03-22 |
| Control method and equipment for charging ready-mixed concrete additives batchwise Grant 4,008,093 - Kitsuda , et al. February 15, 1 | 1977-02-15 |
| Shock control device for use in the construction of buildings such as bridges and the like Grant 3,986,222 - Miyazaki , et al. October 19, 1 | 1976-10-19 |
| Load-shifting cargo transfer apparatus Grant 3,958,701 - Yatagai , et al. May 25, 1 | 1976-05-25 |
| Signal checking system Grant 3,944,975 - Yasumoto , et al. March 16, 1 | 1976-03-16 |
| Drive power supply system for thyristorized linear motor utilizing feeder section switches controlled by position detectors for controlling the energization of ground coils Grant 3,904,941 - Matsui , et al. September 9, 1 | 1975-09-09 |
| Engage-disengage device for cargo-transfer means in mechanical cargo handling system of the load replacing type Grant 3,904,053 - Yatagai , et al. September 9, 1 | 1975-09-09 |
| Storage with automatic handling means for storing articles Grant 3,891,100 - Tamaki , et al. June 24, 1 | 1975-06-24 |
| Double loop track system for railway freightyard and freight station Grant 3,889,603 - Harada June 17, 1 | 1975-06-17 |
| Railway Track Structure Grant 3,878,987 - Uzuka April 22, 1 | 1975-04-22 |
| Method for the continuous detection of vehicle position Grant 3,877,666 - Itakura , et al. April 15, 1 | 1975-04-15 |
| Cement Asphalt Ballast Grout Composition For Track Grant 3,867,161 - Torii , et al. February 18, 1 | 1975-02-18 |
| Freight Car Classificaton System At Level Classification Yard Grant 3,861,316 - Yamazaki , et al. January 21, 1 | 1975-01-21 |
| Automatic Unlocking Device For Rolling Stock Couplers Grant 3,854,598 - Yamazaki , et al. December 17, 1 | 1974-12-17 |
| Linear Motor-driven Railway Truck Grant 3,807,313 - Koyanagi April 30, 1 | 1974-04-30 |
| Electromagnetic Rail For Driving Liner Motor And Method Of Construction Thereof Grant 3,806,782 - Matsui , et al. April 23, 1 | 1974-04-23 |
| Apparatus For Propelling A Movable Body In A Suspended State At A Very High Speed Grant 3,771,033 - Matsui , et al. November 6, 1 | 1973-11-06 |
| Billing System In Mobile Communication Grant 3,764,747 - Nakajima , et al. October 9, 1 | 1973-10-09 |
| Automatic Releasing Apparatus For Couplers Of Railway Vehicles Grant 3,750,897 - Murato , et al. August 7, 1 | 1973-08-07 |
| Mobile Communication System Grant 3,714,574 - Baba , et al. January 30, 1 | 1973-01-30 |
| Induction Radio Transmission System Grant 3,694,751 - Takahashi , et al. September 26, 1 | 1972-09-26 |
| Moving Object Communication Control System Grant 3,629,707 - Baba , et al. December 21, 1 | 1971-12-21 |
| A Load Sensitive Switching Network System Grant 3,591,724 - Yaku , et al. July 6, 1 | 1971-07-06 |
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